IAA RAS IAA Minor Planet Database

2021 CH8

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2806318356 ± 1.76e-04
Semi-major axis (a)1.1797889064 AU ± 2.01e-04
Inclination (i)12.20107370° ± 6.81e-03
Long. of Asc. Node (Ω)149.83637759° ± 8.39e-04
Arg. of Perihelion (ω)75.69081687° ± 1.70e-03
Mean Anomaly (M)207.89378619° ± 3.24e-01
Mean Motion (n)0.7691407368°/day ± 1.96e-04
Perihelion dist (q)0.84870258 AU ± 2.53e-04
Aphelion dist (Q)1.51087523 AU ± 3.31e-04
Orbital Period1.28146415 yr ± 3.27e-04
Physical Parameters
H (abs. magnitude)24.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.299″
Uncertainty3
Orbit TypeApollo
MOID0.017377 AU
Observations Used48
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-13
Last Observation Used2021-02-25
Observations (49)
Date Type RA Dec Mag Band Observatory
2021-02-13 07:16:06 C 08 11 02.844 -02 38 18.18 – U F51
2021-02-13 07:49:36 C 08 10 54.801 -02 35 31.12 – U F51
2021-02-13 08:06:22 C 08 10 50.752 -02 34 07.38 – U F51
2021-02-13 18:30:49 C 08 08 39.50 -01 40 51.5 – V L01
2021-02-13 18:38:19 C 08 08 37.68 -01 40 11.6 – V L01
2021-02-13 18:45:48 C 08 08 35.93 -01 39 32.7 – V L01
2021-02-13 20:06:08 C 08 08 16.16 -01 32 27.0 – V 033
2021-02-13 20:08:03 C 08 08 15.65 -01 32 16.9 – V 033
2021-02-13 20:09:58 C 08 08 15.20 -01 32 06.3 – V 033
2021-02-13 21:46:08 C 08 07 51.72 -01 23 14.5 – V 204
2021-02-13 21:53:13 C 08 07 50.93 -01 22 34.0 – V I93
2021-02-13 22:04:14 C 08 07 48.09 -01 21 33.1 – V I93
2021-02-13 22:08:23 C 08 07 46.08 -01 21 12.1 – V 204
2021-02-13 22:15:15 C 08 07 45.36 -01 20 32.4 – V I93
2021-02-14 02:41:46 C 08 06 45.06 -00 53 00.8 – u 807
2021-02-14 02:44:55 C 08 06 44.22 -00 52 42.9 – u 807
2021-02-14 02:48:01 C 08 06 43.40 -00 52 25.3 – u 807
2021-02-14 19:02:30 C 08 02 49.71 +00 41 49.5 – V 033
2021-02-14 19:04:05 C 08 02 49.26 +00 41 59.6 – V 033
2021-02-14 19:05:39 C 08 02 48.82 +00 42 09.2 – V 033
2021-02-14 20:36:02 C 08 02 23.83 +00 51 56.4 – V K83
2021-02-14 20:47:02 C 08 02 20.69 +00 53 06.0 – V K83
2021-02-14 20:58:02 C 08 02 17.51 +00 54 17.0 – V K83
2021-02-19 03:18:15 C 07 23 52.85 +16 46 03.4 – V I52
2021-02-19 03:19:19 C 07 23 52.21 +16 46 16.9 – V I52
2021-02-19 03:20:22 C 07 23 51.57 +16 46 30.7 – V I52
2021-02-19 03:21:26 C 07 23 50.93 +16 46 44.9 – V I52
2021-02-19 04:53:38 C 07 22 55.30 +17 06 45.5 – V G96
2021-02-19 05:01:37 C 07 22 50.37 +17 08 30.5 – V G96
2021-02-19 05:09:36 C 07 22 45.50 +17 10 14.7 – V G96
2021-02-20 01:13:39 C 07 10 38.00 +21 49 02.5 – u H21
2021-02-20 01:16:06 C 07 10 36.19 +21 49 38.7 – u H21
2021-02-20 01:19:02 C 07 10 34.10 +21 50 22.5 – u H21
2021-02-20 01:21:59 C 07 10 31.98 +21 51 06.1 – u H21
2021-02-20 01:24:37 C 07 10 30.08 +21 51 45.7 – u H21
2021-02-20 07:31:44 C 07 06 01.65 +23 23 54.1 – V I52
2021-02-20 07:32:00 C 07 06 01.50 +23 23 58.0 – V I52
2021-02-20 07:32:17 C 07 06 01.25 +23 24 02.2 – V I52
2021-02-20 07:32:33 C 07 06 01.06 +23 24 05.6 – V I52
2021-02-20 19:24:00 C 06 57 17.64 +26 30 12.3 – V K87
2021-02-20 19:32:43 C 06 57 10.26 +26 32 34.4 – V K87
2021-02-20 19:41:24 C 06 57 02.87 +26 34 55.4 – V K87
2021-02-21 04:36:43 C 06 49 30.34 +29 03 49.4 – V I52
2021-02-21 04:36:59 C 06 49 30.10 +29 03 53.6 – V I52
2021-02-21 04:37:16 C 06 49 29.86 +29 03 58.0 – V I52
2021-02-21 04:37:32 C 06 49 29.63 +29 04 03.1 – V I52
2021-02-25 21:08:07 C 03 42 48.18 +58 07 30.2 – V J95
2021-02-25 21:35:31 C 03 41 37.92 +58 10 53.0 – V J95
2021-02-25 22:03:20 C 03 40 26.63 +58 14 16.5 – V J95